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From Igor Sysoev ...@rambler-co.ru>
Subject Re: mod_proxy Cache-Control: no-cache=<directive> support Apache 1.3
Date Thu, 21 Feb 2002 12:55:11 GMT
On Thu, 21 Feb 2002, Igor Sysoev wrote:

> On Thu, 21 Feb 2002, Joseph Wayne Norton wrote:
> 
> > After I read your posting, I downloaded but haven't tried to install
> > the mod_accel.  From you description, it looks like a very, powerful
> > module with pretty much the features that I have been looking for.
> > Can mod_accel work with the mod_rewrite module (in a fashion similar?
> 
> mod_accel can work with mod_rewrite as mod_proxy does ([P] flag)
> but mod_proxy would loose this functionality if mod_accel installed.
> In all other cases mod_proxy can work with mod_accel in one Apache.
> 
> > In conjunction with mod_rewrite as url filter, I would like to be able
> > to use mod_accel as a proxy for only the http request portion of a
> > client request and allow for the http response portion to be served
> > directly from the backend to the client.  This would be useful in
> > situations where the response does not (or should not) have to be
> > cached by the mod_accel cache.  However, I think this type of
> > tcp-handoff cannot be performed soley by an application process such
> > as apache.  Have you a similiar requirement or experience?
> 
> No.
> 
> But mod_accel can simply proxies request without caching.
> You can set 'AccelNoCache on' on per-server, per-Location and per-Files
> basis. You can send 'X-Accel-Expires: 0' header from backend.
> You can use usual 'Cache-Control: no-cache" or Expires headers.

Even more. mod_accel by default did not cache response if it
has not positive "Expires" or "Cache-Control" headers.
But you can cache these responses using AccelDefaultExpires or
AccelLastModifiedFactor directives.

Igor Sysoev


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